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frr/tests/topotests/ospfv3_basic_functionality/test_ospfv3_single_area.py
Daniel Baumann a2d156806a
Merging upstream version 10.2.
Signed-off-by: Daniel Baumann <daniel@debian.org>
2025-02-05 10:17:20 +01:00

1325 lines
42 KiB
Python

#!/usr/bin/python
# SPDX-License-Identifier: ISC
#
# Copyright (c) 2021 by VMware, Inc. ("VMware")
# Used Copyright (c) 2018 by Network Device Education Foundation, Inc.
# ("NetDEF") in this file.
#
"""OSPF Basic Functionality Automation."""
import os
import sys
import time
import pytest
import ipaddress
from copy import deepcopy
from lib.topotest import frr_unicode
# Save the Current Working Directory to find configuration files.
CWD = os.path.dirname(os.path.realpath(__file__))
sys.path.append(os.path.join(CWD, "../"))
sys.path.append(os.path.join(CWD, "../lib/"))
# pylint: disable=C0413
# Import topogen and topotest helpers
from lib.topogen import Topogen, get_topogen
# Import topoJson from lib, to create topology and initial configuration
from lib.common_config import (
start_topology,
write_test_header,
write_test_footer,
reset_config_on_routers,
step,
create_interfaces_cfg,
create_debug_log_config,
)
from lib.topolog import logger
from lib.topojson import build_config_from_json
from lib.ospf import (
verify_ospf6_neighbor,
clear_ospf,
verify_ospf6_interface,
create_router_ospf,
config_ospf6_interface,
verify_ospf6_rib,
)
from ipaddress import IPv6Address
pytestmark = [pytest.mark.ospfd, pytest.mark.staticd]
# Global variables
topo = None
"""
TOPOOLOGY =
Please view in a fixed-width font such as Courier.
+---+ A1 +---+
+R1 +------------+R2 |
+-+-+- +--++
| -- -- |
| -- A0 -- |
A0| ---- |
| ---- | A2
| -- -- |
| -- -- |
+-+-+- +-+-+
+R0 +-------------+R3 |
+---+ A3 +---+
TESTCASES =
1. OSPF IFSM -Verify state change events on p2p network.
2. OSPF Timers - Verify OSPF interface timer hello interval functionality
3. OSPF Timers - Verify OSPF interface timer dead interval functionality
4. Verify ospf show commands with json output.
5. Verify NFSM events when ospf nbr changes with different MTU values.
"""
def setup_module(mod):
"""
Sets up the pytest environment
* `mod`: module name
"""
testsuite_run_time = time.asctime(time.localtime(time.time()))
logger.info("Testsuite start time: {}".format(testsuite_run_time))
logger.info("=" * 40)
logger.info("Running setup_module to create topology")
# This function initiates the topology build with Topogen...
json_file = "{}/ospfv3_single_area.json".format(CWD)
tgen = Topogen(json_file, mod.__name__)
global topo
topo = tgen.json_topo
# ... and here it calls Mininet initialization functions.
# Starting topology, create tmp files which are loaded to routers
# to start daemons and then start routers
start_topology(tgen)
# Creating configuration from JSON
build_config_from_json(tgen, topo)
# Don't run this test if we have any failure.
if tgen.routers_have_failure():
pytest.skip(tgen.errors)
ospf_covergence = verify_ospf6_neighbor(tgen, topo)
assert ospf_covergence is True, "setup_module :Failed \n Error: {}".format(
ospf_covergence
)
logger.info("Running setup_module() done")
def teardown_module():
"""
Teardown the pytest environment.
* `mod`: module name
"""
logger.info("Running teardown_module to delete topology")
tgen = get_topogen()
# Stop toplogy and Remove tmp files
tgen.stop_topology()
logger.info(
"Testsuite end time: {}".format(time.asctime(time.localtime(time.time())))
)
logger.info("=" * 40)
# ##################################
# Test cases start here.
# ##################################
def test_ospfv3_p2p_tc3_p0(request):
"""OSPF IFSM -Verify state change events on p2p network."""
tc_name = request.node.name
write_test_header(tc_name)
tgen = get_topogen()
# Don't run this test if we have any failure.
if tgen.routers_have_failure():
pytest.skip(tgen.errors)
global topo
step("Bring up the base config as per the topology")
reset_config_on_routers(tgen)
step(
"Verify that OSPF is subscribed to multi cast services "
"(All SPF, all DR Routers)."
)
step("Verify that interface is enabled in ospf.")
step("Verify that config is successful.")
dut = "r0"
input_dict = {"r0": {"links": {"r3": {"ospf6": {}}}}}
result = verify_ospf6_interface(tgen, topo, dut=dut, input_dict=input_dict)
assert result is True, "Testcase {} : Failed \n Error: {}".format(tc_name, result)
step("Delete the ip address")
topo1 = {
"r0": {
"links": {
"r3": {
"ipv6": topo["routers"]["r0"]["links"]["r3"]["ipv6"],
"interface": topo["routers"]["r0"]["links"]["r3"]["interface"],
"delete": True,
}
}
}
}
result = create_interfaces_cfg(tgen, topo1)
assert result is True, "Testcase {} : Failed \n Error: {}".format(tc_name, result)
step("Change the ip on the R0 interface")
topo_modify_change_ip = deepcopy(topo)
intf_ip = topo_modify_change_ip["routers"]["r0"]["links"]["r3"]["ipv6"]
topo_modify_change_ip["routers"]["r0"]["links"]["r3"]["ipv6"] = str(
IPv6Address(frr_unicode(intf_ip.split("/")[0])) + 3
) + "/{}".format(intf_ip.split("/")[1])
build_config_from_json(tgen, topo_modify_change_ip, save_bkup=False)
step("Verify that interface is enabled in ospf.")
dut = "r0"
input_dict = {
"r0": {
"links": {
"r3": {
"ospf6": {
"internetAddress": [
{
"type": "inet6",
"address": topo_modify_change_ip["routers"]["r0"][
"links"
]["r3"]["ipv6"].split("/")[0],
}
],
}
}
}
}
}
result = verify_ospf6_interface(tgen, topo, dut=dut, input_dict=input_dict)
assert result is True, "Testcase {} : Failed \n Error: {}".format(tc_name, result)
step("Modify the mask on the R0 interface")
ip_addr = topo_modify_change_ip["routers"]["r0"]["links"]["r3"]["ipv6"]
mask = topo_modify_change_ip["routers"]["r0"]["links"]["r3"]["ipv6"]
step("Delete the ip address")
topo1 = {
"r0": {
"links": {
"r3": {
"ipv6": ip_addr,
"interface": topo["routers"]["r0"]["links"]["r3"]["interface"],
"delete": True,
}
}
}
}
result = create_interfaces_cfg(tgen, topo1)
assert result is True, "Testcase {} : Failed \n Error: {}".format(tc_name, result)
step("Change the ip on the R0 interface")
topo_modify_change_ip = deepcopy(topo)
intf_ip = topo_modify_change_ip["routers"]["r0"]["links"]["r3"]["ipv6"]
topo_modify_change_ip["routers"]["r0"]["links"]["r3"]["ipv6"] = str(
IPv6Address(frr_unicode(intf_ip.split("/")[0])) + 3
) + "/{}".format(int(intf_ip.split("/")[1]) + 1)
build_config_from_json(tgen, topo_modify_change_ip, save_bkup=False)
step("Verify that interface is enabled in ospf.")
dut = "r0"
input_dict = {
"r0": {
"links": {
"r3": {
"ospf6": {
"internetAddress": [
{
"type": "inet6",
"address": topo_modify_change_ip["routers"]["r0"][
"links"
]["r3"]["ipv6"].split("/")[0],
}
],
}
}
}
}
}
result = verify_ospf6_interface(tgen, topo, dut=dut, input_dict=input_dict)
assert result is True, "Testcase {} : Failed \n Error: {}".format(tc_name, result)
topo1 = {
"r0": {
"links": {
"r3": {
"ipv6": topo_modify_change_ip["routers"]["r0"]["links"]["r3"][
"ipv6"
],
"interface": topo_modify_change_ip["routers"]["r0"]["links"]["r3"][
"interface"
],
"delete": True,
}
}
}
}
result = create_interfaces_cfg(tgen, topo1)
assert result is True, "Testcase {} : Failed \n Error: {}".format(tc_name, result)
build_config_from_json(tgen, topo, save_bkup=False)
step("Change the area id on the interface")
input_dict = {
"r0": {
"links": {
"r3": {
"interface": topo["routers"]["r0"]["links"]["r3"]["interface"],
"ospf6": {"area": "0.0.0.0"},
"delete": True,
}
}
}
}
result = create_interfaces_cfg(tgen, input_dict)
assert result is True, "Testcase {} :Failed \n Error: {}".format(tc_name, result)
input_dict = {
"r0": {
"links": {
"r3": {
"interface": topo["routers"]["r0"]["links"]["r3"]["interface"],
"ospf6": {"area": "0.0.0.1"},
}
}
}
}
result = create_interfaces_cfg(tgen, input_dict)
assert result is True, "Testcase {} :Failed \n Error: {}".format(tc_name, result)
step("Verify that interface is enabled in ospf.")
dut = "r0"
input_dict = {"r0": {"links": {"r3": {"ospf6": {}}}}}
result = verify_ospf6_interface(tgen, topo, dut=dut, input_dict=input_dict)
assert result is True, "Testcase {} : Failed \n Error: {}".format(tc_name, result)
input_dict = {
"r0": {
"links": {
"r3": {
"interface": topo["routers"]["r0"]["links"]["r3"]["interface"],
"ospf6": {"area": "0.0.0.1"},
"delete": True,
}
}
}
}
result = create_interfaces_cfg(tgen, input_dict)
assert result is True, "Testcase {} :Failed \n Error: {}".format(tc_name, result)
input_dict = {
"r0": {
"links": {
"r3": {
"interface": topo["routers"]["r0"]["links"]["r3"]["interface"],
"ospf6": {"area": "0.0.0.0"},
}
}
}
}
result = create_interfaces_cfg(tgen, input_dict)
assert result is True, "Testcase {} :Failed \n Error: {}".format(tc_name, result)
step("Verify that interface is enabled in ospf.")
dut = "r0"
input_dict = {"r0": {"links": {"r3": {"ospf6": {}}}}}
result = verify_ospf6_interface(tgen, topo, dut=dut, input_dict=input_dict)
assert result is True, "Testcase {} : Failed \n Error: {}".format(tc_name, result)
step("verify the all neighbors are up after clearing the process.")
for rtr in topo["routers"]:
clear_ospf(tgen, rtr, ospf="ospf6")
ospf_covergence = verify_ospf6_neighbor(tgen, topo)
assert result is True, "Testcase {} : Failed \n Error: {}".format(tc_name, result)
write_test_footer(tc_name)
def test_ospfv3_hello_tc10_p0(request):
"""
OSPF timers.
Verify OSPF interface timer hello interval functionality
"""
tc_name = request.node.name
write_test_header(tc_name)
tgen = get_topogen()
# Don't run this test if we have any failure.
if tgen.routers_have_failure():
pytest.skip(tgen.errors)
global topo
step("Bring up the base config as per the topology")
reset_config_on_routers(tgen)
ospf_covergence = verify_ospf6_neighbor(tgen)
assert (
ospf_covergence is True
), "Testcase {} [01]: Reset Failed \n Error: {}".format(tc_name, ospf_covergence)
step("modify hello timer from default value to some other value on r1")
topo1 = {
"r1": {
"links": {
"r0": {
"interface": topo["routers"]["r1"]["links"]["r0"]["interface"],
"ospf6": {"hello_interval": 11, "dead_interval": 12},
}
}
}
}
result = create_interfaces_cfg(tgen, topo1)
assert result is True, "Testcase {} [02]: Failed \n Error: {}".format(
tc_name, result
)
step(
"verify that new timer value is configured and applied using "
"the show ip ospf interface command."
)
dut = "r1"
input_dict = {
"r1": {
"links": {
"r0": {
"ospf6": {
"timerIntervalsConfigHello": 11,
"timerIntervalsConfigDead": 12,
}
}
}
}
}
result = verify_ospf6_interface(tgen, topo, dut=dut, input_dict=input_dict)
assert result is True, "Testcase {} [03]: Failed \n Error: {}".format(
tc_name, result
)
step("modify hello timer from default value to r1 hello timer on r2")
topo1 = {
"r0": {
"links": {
"r1": {
"interface": topo["routers"]["r0"]["links"]["r1"]["interface"],
"ospf6": {"hello_interval": 11, "dead_interval": 12},
}
}
}
}
result = create_interfaces_cfg(tgen, topo1)
assert result is True, "Testcase {} [04]: Failed \n Error: {}".format(
tc_name, result
)
step("verify that new timer value is configured.")
input_dict = {
"r0": {
"links": {
"r1": {
"ospf6": {
"timerIntervalsConfigHello": 11,
"timerIntervalsConfigDead": 12,
}
}
}
}
}
dut = "r0"
result = verify_ospf6_interface(tgen, topo, dut=dut, input_dict=input_dict)
assert result is True, "Testcase {} [05]: Failed \n Error: {}".format(
tc_name, result
)
step("verify that ospf neighbours are full")
ospf_covergence = verify_ospf6_neighbor(tgen, topo, dut=dut)
assert ospf_covergence is True, "Testcase {} [06]: Failed \n Error: {}".format(
tc_name, ospf_covergence
)
step("reconfigure the default hello timer value to default on r1 and r2")
topo1 = {
"r0": {
"links": {
"r1": {
"interface": topo["routers"]["r0"]["links"]["r1"]["interface"],
"ospf6": {"hello_interval": 10, "dead_interval": 40},
}
}
}
}
result = create_interfaces_cfg(tgen, topo1)
assert result is True, "Testcase {} [07]: Failed \n Error: {}".format(
tc_name, result
)
topo1 = {
"r1": {
"links": {
"r0": {
"interface": topo["routers"]["r1"]["links"]["r0"]["interface"],
"ospf6": {"hello_interval": 10, "dead_interval": 40},
}
}
}
}
result = create_interfaces_cfg(tgen, topo1)
assert result is True, "Testcase {} [08]: Failed \n Error: {}".format(
tc_name, result
)
step("verify that new timer value is configured.")
input_dict = {
"r0": {
"links": {
"r1": {
"ospf6": {
"timerIntervalsConfigHello": 10,
"timerIntervalsConfigDead": 40,
}
}
}
}
}
dut = "r0"
result = verify_ospf6_interface(tgen, topo, dut=dut, input_dict=input_dict)
assert result is True, "Testcase {} [09]: Failed \n Error: {}".format(
tc_name, result
)
step("verify that ospf neighbours are full")
ospf_covergence = verify_ospf6_neighbor(tgen, topo, dut=dut)
assert ospf_covergence is True, "Testcase {} [10]: Failed \n Error: {}".format(
tc_name, ospf_covergence
)
step("reconfigure the default hello timer value to default on r1 and r2")
topo1 = {
"r0": {
"links": {
"r1": {
"interface": topo["routers"]["r0"]["links"]["r1"]["interface"],
"ospf6": {"hello_interval": 10, "dead_interval": 40},
}
}
}
}
result = create_interfaces_cfg(tgen, topo1)
assert result is True, "Testcase {} [11]: Failed \n Error: {}".format(
tc_name, result
)
topo1 = {
"r1": {
"links": {
"r0": {
"interface": topo["routers"]["r1"]["links"]["r0"]["interface"],
"ospf6": {"hello_interval": 10, "dead_interval": 40},
}
}
}
}
result = create_interfaces_cfg(tgen, topo1)
assert result is True, "Testcase {} [12]: Failed \n Error: {}".format(
tc_name, result
)
step("verify that new timer value is configured.")
input_dict = {
"r0": {
"links": {
"r1": {
"ospf6": {
"timerIntervalsConfigHello": 10,
"timerIntervalsConfigDead": 40,
}
}
}
}
}
dut = "r0"
result = verify_ospf6_interface(tgen, topo, dut=dut, input_dict=input_dict)
assert result is True, "Testcase {} [13]: Failed \n Error: {}".format(
tc_name, result
)
step("verify that ospf neighbours are full")
ospf_covergence = verify_ospf6_neighbor(tgen, topo, dut=dut)
assert ospf_covergence is True, "Testcase {} [14]: Failed \n Error: {}".format(
tc_name, ospf_covergence
)
step("configure hello timer = 1 on r1 and r2")
topo1 = {
"r0": {
"links": {
"r1": {
"interface": topo["routers"]["r0"]["links"]["r1"]["interface"],
"ospf6": {"hello_interval": 1, "dead_interval": 4},
}
}
}
}
result = create_interfaces_cfg(tgen, topo1)
assert result is True, "Testcase {} [15]: Failed \n Error: {}".format(
tc_name, result
)
topo1 = {
"r1": {
"links": {
"r0": {
"interface": topo["routers"]["r1"]["links"]["r0"]["interface"],
"ospf6": {"hello_interval": 1, "dead_interval": 4},
}
}
}
}
result = create_interfaces_cfg(tgen, topo1)
assert result is True, "Testcase {} [16]: Failed \n Error: {}".format(
tc_name, result
)
step("verify that new timer value is configured.")
input_dict = {
"r0": {
"links": {
"r1": {
"ospf6": {
"timerIntervalsConfigHello": 1,
"timerIntervalsConfigDead": 4,
}
}
}
}
}
dut = "r0"
result = verify_ospf6_interface(tgen, topo, dut=dut, input_dict=input_dict)
assert result is True, "Testcase {} [17]: Failed \n Error: {}".format(
tc_name, result
)
step("verify that ospf neighbours are full")
ospf_covergence = verify_ospf6_neighbor(tgen, topo, dut=dut)
assert ospf_covergence is True, "Testcase {} [18]: Failed \n Error: {}".format(
tc_name, ospf_covergence
)
step(" Configure hello timer = 65535")
topo1 = {
"r0": {
"links": {
"r1": {
"interface": topo["routers"]["r0"]["links"]["r1"]["interface"],
"ospf6": {"hello_interval": 65535, "dead_interval": 4},
}
}
}
}
result = create_interfaces_cfg(tgen, topo1)
assert result is True, "Testcase {} [19]: Failed \n Error: {}".format(
tc_name, result
)
topo1 = {
"r1": {
"links": {
"r0": {
"interface": topo["routers"]["r1"]["links"]["r0"]["interface"],
"ospf6": {"hello_interval": 65535, "dead_interval": 4},
}
}
}
}
result = create_interfaces_cfg(tgen, topo1)
assert result is True, "Testcase {} [20]: Failed \n Error: {}".format(
tc_name, result
)
step("verify that new timer value is configured.")
input_dict = {
"r0": {
"links": {
"r1": {
"ospf6": {
"timerIntervalsConfigHello": 65535,
"timerIntervalsConfigDead": 4,
}
}
}
}
}
dut = "r0"
result = verify_ospf6_interface(tgen, topo, dut=dut, input_dict=input_dict)
assert result is True, "Testcase {} [21]: Failed \n Error: {}".format(
tc_name, result
)
step(" Try configuring timer values outside range for example 65536")
topo1 = {
"r0": {
"links": {
"r1": {
"interface": topo["routers"]["r0"]["links"]["r1"]["interface"],
"ospf6": {"hello_interval": 65536, "dead_interval": 4},
}
}
}
}
result = create_interfaces_cfg(tgen, topo1)
assert (
result is not True
), "Testcase {} [23]: Failed \n Create interface failed. Error: {}".format(
tc_name, result
)
step("Unconfigure the hello timer from the interface from r1 and r2.")
topo1 = {
"r1": {
"links": {
"r0": {
"interface": topo["routers"]["r1"]["links"]["r0"]["interface"],
"ospf6": {"hello_interval": 65535},
"delete": True,
}
}
}
}
result = create_interfaces_cfg(tgen, topo1)
assert result is True, "Testcase {} [24]: Failed \n Error: {}".format(
tc_name, result
)
step("Verify that timer value is deleted from intf & set to default value 40 sec.")
input_dict = {"r1": {"links": {"r0": {"ospf6": {"timerIntervalsConfigHello": 10}}}}}
dut = "r1"
result = verify_ospf6_interface(tgen, topo, dut=dut, input_dict=input_dict)
assert result is True, "Testcase {} [25]: Failed \n Error: {}".format(
tc_name, result
)
write_test_footer(tc_name)
def test_ospfv3_dead_tc11_p0(request):
"""
OSPF timers.
Verify OSPF interface timer dead interval functionality
"""
tc_name = request.node.name
write_test_header(tc_name)
tgen = get_topogen()
# Don't run this test if we have any failure.
if tgen.routers_have_failure():
pytest.skip(tgen.errors)
global topo
step("Bring up the base config as per the topology")
reset_config_on_routers(tgen)
step("modify dead interval from default value to some other value on r1")
topo1 = {
"r1": {
"links": {
"r0": {
"interface": topo["routers"]["r1"]["links"]["r0"]["interface"],
"ospf6": {"hello_interval": 12, "dead_interval": 48},
}
}
}
}
result = create_interfaces_cfg(tgen, topo1)
assert result is True, "Testcase {} [01]: Failed \n Error: {}".format(
tc_name, result
)
step(
"verify that new timer value is configured and applied using "
"the show ip ospf interface command."
)
dut = "r1"
input_dict = {"r1": {"links": {"r0": {"ospf6": {"timerIntervalsConfigDead": 48}}}}}
result = verify_ospf6_interface(tgen, topo, dut=dut, input_dict=input_dict)
assert result is True, "Testcase {} [02]: Failed \n Error: {}".format(
tc_name, result
)
step("modify dead interval from default value to r1 dead interval timer on r2")
topo1 = {
"r0": {
"links": {
"r1": {
"interface": topo["routers"]["r0"]["links"]["r1"]["interface"],
"ospf6": {"hello_interval": 12, "dead_interval": 48},
}
}
}
}
result = create_interfaces_cfg(tgen, topo1)
assert result is True, "Testcase {} [03]: Failed \n Error: {}".format(
tc_name, result
)
step("verify that new timer value is configured.")
input_dict = {"r0": {"links": {"r1": {"ospf6": {"timerIntervalsConfigDead": 48}}}}}
dut = "r0"
result = verify_ospf6_interface(tgen, topo, dut=dut, input_dict=input_dict)
assert result is True, "Testcase {} [04]: Failed \n Error: {}".format(
tc_name, result
)
step("verify that ospf neighbours are full")
ospf_covergence = verify_ospf6_neighbor(tgen, topo, dut=dut)
assert ospf_covergence is True, "Testcase {} [05]: Failed \n Error: {}".format(
tc_name, ospf_covergence
)
step("remove ospf on R0")
ospf_del = {"r0": {"ospf6": {"delete": True}}}
result = create_router_ospf(tgen, topo, ospf_del)
assert result is True, "Testcase [06]: Failed \n Error: {}".format(result)
# reconfiguring deleted ospf process by resetting the configs.
reset_config_on_routers(tgen)
step("reconfigure the default dead interval timer value to default on r1 and r2")
topo1 = {
"r0": {
"links": {
"r1": {
"interface": topo["routers"]["r0"]["links"]["r1"]["interface"],
"ospf6": {"dead_interval": 40},
}
}
}
}
result = create_interfaces_cfg(tgen, topo1)
assert result is True, "Testcase {} [07]: Failed \n Error: {}".format(
tc_name, result
)
topo1 = {
"r1": {
"links": {
"r0": {
"interface": topo["routers"]["r1"]["links"]["r0"]["interface"],
"ospf6": {"dead_interval": 40},
}
}
}
}
result = create_interfaces_cfg(tgen, topo1)
assert result is True, "Testcase {} [08]: Failed \n Error: {}".format(
tc_name, result
)
step("verify that new timer value is configured.")
input_dict = {"r0": {"links": {"r1": {"ospf6": {"timerIntervalsConfigDead": 40}}}}}
dut = "r0"
result = verify_ospf6_interface(tgen, topo, dut=dut, input_dict=input_dict)
assert result is True, "Testcase {} [09]: Failed \n Error: {}".format(
tc_name, result
)
step("verify that ospf neighbours are full")
ospf_covergence = verify_ospf6_neighbor(tgen, topo, dut=dut)
assert ospf_covergence is True, "Testcase {} [10]: Failed \n Error: {}".format(
tc_name, ospf_covergence
)
step(" Configure dead timer = 65535 on r1 and r2")
topo1 = {
"r0": {
"links": {
"r1": {
"interface": topo["routers"]["r0"]["links"]["r1"]["interface"],
"ospf6": {"dead_interval": 65535},
}
}
}
}
result = create_interfaces_cfg(tgen, topo1)
assert result is True, "Testcase {} [11]: Failed \n Error: {}".format(
tc_name, result
)
topo1 = {
"r1": {
"links": {
"r0": {
"interface": topo["routers"]["r1"]["links"]["r0"]["interface"],
"ospf6": {"dead_interval": 65535},
}
}
}
}
result = create_interfaces_cfg(tgen, topo1)
assert result is True, "Testcase {} [12]: Failed \n Error: {}".format(
tc_name, result
)
step("verify that new timer value is configured.")
input_dict = {
"r0": {"links": {"r1": {"ospf6": {"timerIntervalsConfigDead": 65535}}}}
}
dut = "r0"
result = verify_ospf6_interface(tgen, topo, dut=dut, input_dict=input_dict)
assert result is True, "Testcase {} [13]: Failed \n Error: {}".format(
tc_name, result
)
step("verify that ospf neighbours are full")
ospf_covergence = verify_ospf6_neighbor(tgen, topo, dut=dut)
assert ospf_covergence is True, "Testcase {} [14]: Failed \n Error: {}".format(
tc_name, ospf_covergence
)
step(" Try configuring timer values outside range for example 65536")
topo1 = {
"r0": {
"links": {
"r1": {
"interface": topo["routers"]["r0"]["links"]["r1"]["interface"],
"ospf6": {"dead_interval": 65536},
}
}
}
}
result = create_interfaces_cfg(tgen, topo1)
assert (
result is not True
), "Testcase {} [15]: Failed \n Create interface config failed. Error: {}".format(
tc_name, result
)
step("Unconfigure the dead timer from the interface from r1 and r2.")
topo1 = {
"r1": {
"links": {
"r0": {
"interface": topo["routers"]["r1"]["links"]["r0"]["interface"],
"ospf6": {"dead_interval": 65535},
"delete": True,
}
}
}
}
result = create_interfaces_cfg(tgen, topo1)
assert result is True, "Testcase {} [16]: Failed \n Error: {}".format(
tc_name, result
)
step("Verify that timer value is deleted from intf & set to default value 40 sec.")
input_dict = {"r1": {"links": {"r0": {"ospf6": {"timerIntervalsConfigDead": 40}}}}}
dut = "r1"
result = verify_ospf6_interface(tgen, topo, dut=dut, input_dict=input_dict)
assert result is True, "Testcase {} [17]: Failed \n Error: {}".format(
tc_name, result
)
write_test_footer(tc_name)
def test_ospfv3_tc4_mtu_ignore_p0(request):
"""
OSPF NFSM - MTU change
Verify NFSM events when ospf nbr changes with different MTU values
"""
tc_name = request.node.name
write_test_header(tc_name)
tgen = get_topogen()
# Don't run this test if we have any failure.
if tgen.routers_have_failure():
pytest.skip(tgen.errors)
global topo
step(" Bring up the base config as per the topology")
step("Configure OSPF on all the routers of the topology.")
step("Verify that OSPF neighbors are FULL.")
reset_config_on_routers(tgen)
step(
"Modify the MTU to non default Value on R0 to R1 interface. "
"Reset ospf neighbors on R0."
)
rtr0 = tgen.routers()["r0"]
rtr1 = tgen.routers()["r1"]
r0_r1_intf = topo["routers"]["r0"]["links"]["r1"]["interface"]
r1_r0_intf = topo["routers"]["r1"]["links"]["r0"]["interface"]
rtr0.run("ifconfig {} mtu 1400".format(r0_r1_intf))
clear_ospf(tgen, "r0", ospf="ospf6")
clear_ospf(tgen, "r1", ospf="ospf6")
step("Verify that OSPF neighborship between R0 and R1 is stuck in Exstart State.")
result = verify_ospf6_neighbor(tgen, topo, expected=False)
assert result is not True, (
"Testcase {} : Failed \n OSPF nbrs are Full "
"instead of Exstart. Error: {}".format(tc_name, result)
)
step("Verify that configured MTU value is updated in the show ip ospf interface.")
dut = "r0"
input_dict = {"r0": {"links": {"r1": {"ospf6": {"interfaceMtu": 1400}}}}}
result = verify_ospf6_interface(tgen, topo, dut=dut, input_dict=input_dict)
assert result is True, "Testcase {} : Failed \n Error: {}".format(tc_name, result)
step(
"Modify the MTU to non default Value on R0 to R1 interface. "
"Reset ospf neighbors on R0."
)
rtr0.run("ifconfig {} mtu 1500".format(r0_r1_intf))
clear_ospf(tgen, "r0", ospf="ospf6")
step("Verify that OSPF neighborship between R0 and R1 becomes full.")
result = verify_ospf6_neighbor(tgen, topo)
assert result is True, "Testcase {} : Failed \n Error: {}".format(tc_name, result)
step(
"Configure mtu ignore and change the value of the mtu to non default"
" on R0 to R1 interface. Reset ospf neighbors on R0."
)
r0_ospf_mtu = {"r0": {"links": {"r1": {"ospf6": {"mtu_ignore": True}}}}}
result = config_ospf6_interface(tgen, topo, r0_ospf_mtu)
assert result is True, "Testcase {} :Failed \n Error: {}".format(tc_name, result)
dut = "r0"
input_dict = {"r0": {"links": {"r1": {"ospf6": {"mtuMismatchDetection": True}}}}}
result = verify_ospf6_interface(tgen, topo, dut=dut, input_dict=input_dict)
assert result is True, "Testcase {} : Failed \n Error: {}".format(tc_name, result)
r1_ospf_mtu = {"r1": {"links": {"r0": {"ospf6": {"mtu_ignore": True}}}}}
result = config_ospf6_interface(tgen, topo, r1_ospf_mtu)
assert result is True, "Testcase {} :Failed \n Error: {}".format(tc_name, result)
rtr0.run("ifconfig {} mtu 1400".format(r0_r1_intf))
clear_ospf(tgen, "r0", ospf="ospf6")
step("Verify that OSPF neighborship between R0 and R1 becomes full.")
result = verify_ospf6_neighbor(tgen, topo)
assert result is True, "Testcase {} : Failed \n Error: {}".format(tc_name, result)
step(
"Unconfigure mtu-ignore command from the interface. "
"Reset ospf neighbors on R0."
)
r1_ospf_mtu = {
"r1": {"links": {"r0": {"ospf6": {"mtu_ignore": True, "delete": True}}}}
}
result = config_ospf6_interface(tgen, topo, r1_ospf_mtu)
assert result is True, "Testcase {} :Failed \n Error: {}".format(tc_name, result)
clear_ospf(tgen, "r0", ospf="ospf6")
step("Verify that OSPF neighborship between R0 and R1 is stuck in Exstart State.")
result = verify_ospf6_neighbor(tgen, topo, expected=False)
assert result is not True, (
"Testcase {} : Failed \n OSPF nbrs are Full "
"instead of Exstart. Error: {}".format(tc_name, result)
)
step("Modify the MTU to again default valaue on R0 to R1 interface.")
rtr0.run("ifconfig {} mtu 1500".format(r0_r1_intf))
clear_ospf(tgen, "r0", ospf="ospf6")
step("Verify that OSPF neighborship between R0 and R1 becomes full.")
result = verify_ospf6_neighbor(tgen, topo)
assert result is True, "Testcase {} : Failed \n Error: {}".format(tc_name, result)
step("Configure ospf interface with jumbo MTU (9216). Reset ospf neighbors on R0.")
rtr0.run("ifconfig {} mtu 9216".format(r0_r1_intf))
rtr1.run("ifconfig {} mtu 9216".format(r1_r0_intf))
clear_ospf(tgen, "r0", ospf="ospf6")
clear_ospf(tgen, "r1", ospf="ospf6")
step("Verify that OSPF neighborship between R0 and R1 becomes full.")
result = verify_ospf6_neighbor(tgen, topo)
assert result is True, "Testcase {} : Failed \n Error: {}".format(tc_name, result)
step("Verify that jumbo MTU is updated in the show ip ospf interface.")
dut = "r0"
input_dict = {"r0": {"links": {"r1": {"ospf6": {"interfaceMtu": 9216}}}}}
result = verify_ospf6_interface(tgen, topo, dut=dut, input_dict=input_dict)
assert result is True, "Testcase {} : Failed \n Error: {}".format(tc_name, result)
write_test_footer(tc_name)
def test_ospfv3_show_p1(request):
"""Verify ospf show commands with json output."""
tc_name = request.node.name
write_test_header(tc_name)
tgen = get_topogen()
# Don't run this test if we have any failure.
if tgen.routers_have_failure():
pytest.skip(tgen.errors)
input_dict = {"r2": {"debug": {"log_file": "debug.log", "enable": ["ospf6"]}}}
result = create_debug_log_config(tgen, input_dict)
for rtr in topo["routers"]:
clear_ospf(tgen, rtr, ospf="ospf6")
step(" Bring up the base config as per the topology")
reset_config_on_routers(tgen)
for rtr in topo["routers"]:
clear_ospf(tgen, rtr, ospf="ospf6")
dut = "r1"
input_dict = {
"r1": {
"links": {
"r0": {
"ospf6": {
"status": "up",
"type": "BROADCAST",
"attachedToArea": True,
"instanceId": 0,
"interfaceMtu": 1500,
"autoDetect": 1500,
"mtuMismatchDetection": "enabled",
"areaId": "0.0.0.0",
"cost": 10,
"transmitDelaySec": 1,
"priority": 1,
"timerIntervalsConfigHello": 1,
"timerIntervalsConfigDead": 4,
"timerIntervalsConfigRetransmit": 5,
"dr": "0.0.0.0",
"bdr": "0.0.0.0",
"numberOfInterfaceScopedLsa": 2,
"pendingLsaLsUpdateCount": 0,
"lsUpdateSendThread": "off",
"pendingLsaLsAckCount": 0,
"lsAckSendThread": "off",
}
}
}
}
}
result = verify_ospf6_interface(tgen, topo, dut=dut, input_dict=input_dict)
assert result is True, "Testcase {} : Failed \n Error: {}".format(tc_name, result)
ip = topo["routers"]["r0"]["links"]["r3"]["ipv6"]
ip_net = str(ipaddress.ip_interface("{}".format(ip)).network)
nh = topo["routers"]["r0"]["links"]["r1"]["ipv6"].split("/")[0]
input_dict = {
"r1": {
"static_routes": [
{"network": ip_net, "no_of_ip": 1, "routeType": "Network"}
]
}
}
dut = "r1"
result = verify_ospf6_rib(tgen, dut, input_dict)
assert result is True, "Testcase {} : Failed \n Error: {}".format(tc_name, result)
write_test_footer(tc_name)
def ospfv3_router_id_tc14_p2(request):
"""OSPF Router ID - Verify OSPF router id changes."""
tc_name = request.node.name
write_test_header(tc_name)
tgen = get_topogen()
# Don't run this test if we have any failure.
if tgen.routers_have_failure():
pytest.skip(tgen.errors)
global topo
step(" Bring up the base config as per the topology")
reset_config_on_routers(tgen)
step("Configure system router id as 1.1.1.1 on R1 , clear ospf router")
ospf_rid = {"r0": {"ospf6": {"router_id": "1.1.1.1"}}}
result = create_router_ospf(tgen, topo, ospf_rid)
assert result is True, "Testcase : Failed \n Error: {}".format(result)
step("configure ospf router id as 1.1.1.2 on R1, clear ospf router")
ospf_rid = {"r1": {"ospf6": {"router_id": "1.1.1.2"}}}
result = create_router_ospf(tgen, topo, ospf_rid)
assert result is True, "Testcase : Failed \n Error: {}".format(result)
topo1 = deepcopy(topo)
step("Verify that OSPF takes system router ID as ospf router id.")
topo1["routers"]["r0"]["ospf6"]["router_id"] = "1.1.1.1"
topo1["routers"]["r1"]["ospf6"]["router_id"] = "1.1.1.2"
for rtr in topo["routers"]:
clear_ospf(tgen, rtr, ospf="ospf6")
ospf_covergence = verify_ospf6_neighbor(tgen, topo1)
assert ospf_covergence is True, "OSPF NBRs not up.Failed \n Error: {}".format(
ospf_covergence
)
step(" delete ospf router id and clear ospf process.")
ospf_rid = {"r0": {"ospf6": {"del_router_id": "1.1.1.1"}}}
result = create_router_ospf(tgen, topo, ospf_rid)
assert result is True, "Testcase : Failed \n Error: {}".format(result)
ospf_rid = {"r1": {"ospf6": {"del_router_id": "1.1.1.2"}}}
result = create_router_ospf(tgen, topo, ospf_rid)
assert result is True, "Testcase : Failed \n Error: {}".format(result)
reset_config_on_routers(tgen)
step(" Configure R0 R1 R2 with same router ids")
ospf_rid = {"r0": {"ospf6": {"router_id": "1.1.1.1"}}}
result = create_router_ospf(tgen, topo, ospf_rid)
assert result is True, "Testcase : Failed \n Error: {}".format(result)
step("configure ospf router id as 1.1.1.2 on R1, reboot router")
ospf_rid = {"r1": {"ospf6": {"router_id": "1.1.1.1"}}}
result = create_router_ospf(tgen, topo, ospf_rid)
assert result is True, "Testcase : Failed \n Error: {}".format(result)
ospf_covergence = verify_ospf6_neighbor(tgen, topo, expected=False)
assert ospf_covergence is not True, "OSPF NBRs are up.Failed \n Error: {}".format(
ospf_covergence
)
topo1 = {}
topo1 = deepcopy(topo)
for rtr in ["r1", "r2", "r3", "r0"]:
topo1["routers"][rtr]["ospf6"].pop("router_id")
build_config_from_json(tgen, topo1, save_bkup=False)
ospf_covergence = verify_ospf6_neighbor(tgen, topo)
assert ospf_covergence is not True, (
"Testcase {} :Failed \n Neighborship "
"should not up as no router id is configured. Error: {}".format(tc_name, result)
)
step("Clear ospf process and check nbrs should not be up.")
for rtr in topo["routers"]:
clear_ospf(tgen, rtr, ospf="ospf6")
ospf_covergence = verify_ospf6_neighbor(tgen, topo)
assert ospf_covergence is not True, (
"Testcase {} :Failed \n Neighborship "
"should not up as no router id is configured. Error: {}".format(tc_name, result)
)
topo1 = deepcopy(topo)
step("Configure system router id on routers , clear ospf router")
ospf_rid = {
"r0": {"ospf6": {"router_id": "1.1.1.1"}},
"r1": {"ospf6": {"router_id": "1.1.1.2"}},
"r2": {"ospf6": {"router_id": "1.1.1.3"}},
"r3": {"ospf6": {"router_id": "1.1.1.4"}},
}
result = create_router_ospf(tgen, topo1, ospf_rid)
assert result is True, "Testcase : Failed \n Error: {}".format(result)
topo1["routers"]["r0"]["ospf6"]["router_id"] = "1.1.1.1"
topo1["routers"]["r1"]["ospf6"]["router_id"] = "1.1.1.2"
topo1["routers"]["r2"]["ospf6"]["router_id"] = "1.1.1.3"
topo1["routers"]["r3"]["ospf6"]["router_id"] = "1.1.1.4"
ospf_covergence = verify_ospf6_neighbor(tgen, topo1)
assert ospf_covergence is True, "OSPF NBRs not up.Failed \n Error: {}".format(
ospf_covergence
)
step(" Bring up the base config as per the topology")
reset_config_on_routers(tgen)
ospf_covergence = verify_ospf6_neighbor(tgen, topo)
assert ospf_covergence is True, "OSPF NBRs not up.Failed \n Error: {}".format(
ospf_covergence
)
write_test_footer(tc_name)
if __name__ == "__main__":
args = ["-s"] + sys.argv[1:]
sys.exit(pytest.main(args))